Biology ยท General Awareness
Vaccination and Immunity
965 Questions
This hub presents questions focused on vaccination and human immunity. It covers essential topics such as herd immunity, non-specific immunity, antigens, and historical vaccine developments. These concepts are crucial for general science sections in medical and civil service exams.
Herd immunity functionsNon-specific immunitySmallpox vaccinationInterferon proteinsAntigen propertiesImmunological amnesia
Vaccination and Immunity Questions
What is the role of interferons in the treatment of viral infections?
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They can directly inhibit viral replication
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They can stimulate the immune system to combat the infection
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They can reduce the severity of symptoms
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All of the above
D
Correct answer
Explanation
Interferons have therapeutic potential in the treatment of viral infections. They can directly inhibit viral replication, stimulate the immune system to combat the infection, and reduce the severity of symptoms. Interferon-based therapies have been used to treat various viral infections, including hepatitis B, hepatitis C, and influenza.
Which of the following is NOT an example of a vaccine-preventable disease?
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Measles
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Mumps
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Rubella
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Cancer
D
Correct answer
Explanation
Cancer is not a vaccine-preventable disease.
Which vaccine is given to protect against measles, mumps, and rubella?
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MMR
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DTP
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Hepatitis B
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Polio
A
Correct answer
Explanation
MMR vaccine is a combination vaccine that protects against measles, mumps, and rubella.
Which vaccine is given to protect against polio?
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MMR
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DTP
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Hepatitis B
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Polio
D
Correct answer
Explanation
Polio vaccine is a vaccine that protects against polio.
What is the recommended number of doses of Hepatitis B vaccine for infants?
C
Correct answer
Explanation
Infants should receive three doses of Hepatitis B vaccine.
Which vaccine is given to protect against rotavirus?
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MMR
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DTP
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Hepatitis B
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Rotavirus
D
Correct answer
Explanation
Rotavirus vaccine is a vaccine that protects against rotavirus.
Which vaccine is given to protect against Japanese Encephalitis?
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MMR
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DTP
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Hepatitis B
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Japanese Encephalitis
D
Correct answer
Explanation
Japanese Encephalitis vaccine is a vaccine that protects against Japanese Encephalitis.
What is the recommended number of doses of measles vaccine for children?
B
Correct answer
Explanation
Children should receive two doses of measles vaccine.
Which vaccine is given to protect against tetanus, diphtheria, and pertussis?
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MMR
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DTP
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Hepatitis B
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Polio
B
Correct answer
Explanation
DTP vaccine is a combination vaccine that protects against tetanus, diphtheria, and pertussis.
Which vaccine is given to protect against chickenpox?
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MMR
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DTP
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Hepatitis B
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Varicella
D
Correct answer
Explanation
Varicella vaccine is a vaccine that protects against chickenpox.
What is the recommended number of doses of polio vaccine for children?
D
Correct answer
Explanation
Children should receive four doses of polio vaccine.
Which vaccine is given to protect against hepatitis A?
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MMR
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DTP
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Hepatitis A
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Polio
C
Correct answer
Explanation
Hepatitis A vaccine is a vaccine that protects against hepatitis A.
Which vaccine is given to protect against typhoid?
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MMR
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DTP
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Hepatitis B
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Typhoid
D
Correct answer
Explanation
Typhoid vaccine is a vaccine that protects against typhoid.
Which of the following is a key strategy for preventing communicable diseases?
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Vaccination
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Antibiotic therapy
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Surgery
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Chemotherapy
A
Correct answer
Explanation
Vaccination is a crucial strategy for preventing communicable diseases by introducing weakened or inactivated pathogens to stimulate the immune system and provide protection against future infections.
In the 20th century, eggs were used to develop:
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Vaccines
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Antibiotics
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Insulin
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All of the above
D
Correct answer
Explanation
Eggs were used to develop vaccines, antibiotics, and insulin in the 20th century.